-15.99% is the change from 763 to 641
Calculation steps:
[( 641 - 763 ) ÷ 763] x 100 = -15.99%
Formula
Percentage change = [(641 - 763) / 763] x 100
Subtract the new number by the original number
641 - 763 = -122
-122 ÷ 763 = -0.1598951507208388
-0.1598951507208388 x 100 = -15.99%